1997 Pontiac Sunfire "p0400 code engine" Questions

Ad

...code p0400 engine light on code p0400 code p0400 refers to exhaust gas recirculation(EGR) system---flow malfunction.===causes---hose leak/blockage--basic setting not carried out (if ...

Ad

Question about Pontiac Sunfire

2 Answers

code p0400 engine light came on trouble code p0400 low flow. trin to find out is there another egr port besides the one in the throttle body. the passage that causes this low flow is in the intake, it

Ad

...light comes on . if you switch off and on again it okay for couple of mins then the same happens again. Fault code P0400 present Hi Refer to this link for answer ...

Question about Cars & Trucks

1 Answer

2010 chevrolet cobalt P0400 engine code P0400 Go to this web site http://www.obd-codes.com

P0400 is a generic E.G.R. flow restriction code. so yes a dvom (multimeter) and a vacuum pump to diagnose it correctly, also check for loose wires as ford harness connectors are known to fail alot due

...P0400 (EGR flow malfunction),  P1333 Make sure about this code its a chevy code so you will need to recheck,If anything the EGR is stuck open.Or you are dealing with a vacuum leak causing rough ...

...but when I cut it off it will not start right away. P0400- Exhaust Gas Recirculation Flow Error Above is the code you ask about. It sounds like the EGR valve maybe plugged or not opening. Sounds ...

Question about Pontiac Sunfire

1 Answer

...p0400 is dead EGR. and can fail 2 ways, stuck open or closed if open engine wants to stall and lots of other DTC errors caused by EGR, stuck closed, engine wants to PING I'd fix EGR first, and not go ...

Question about Pontiac Sunfire

2 Answers

P0400 code engine runs rough at idle P0400 Exhaust Gas Recirculation Flow Malfunction The last time I had this, i just took it apart and cleaned it. Worked great. Hope it helps. ,,,, right behind the ...

Question about Pontiac Sunfire

1 Answer

...p0400 and p0325 codes ive checked tps egr and if the knock sensor was bad you would think it would knock but it doesent ive gone over all hoses injecters i dont know what else it could be could be ...

Not finding what you are looking for?
1997 Pontiac Sunfire Logo

1,299 questions posted

Ask a Question

Usually answered in minutes!

Popular Products

Top Pontiac Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

15088 Answers

Brad Brown

Level 3 Expert

19187 Answers

Are you a Pontiac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...